Cricothyrotomy Is Faster Than Tracheostomy for Emergency Front-of-Neck Airway Access in Dogs

2 de fevereiro de 2021

A cricotireotomia é mais rápida do que a traqueostomia para acesso emergencial à via respiratória frontal do pescoço em cães

Autores

Sureiyan HardjoCatriona CrotonSolomon WoldeyohannesSarah Leonie PurcellMark David Haworth 

Abstract

Objectives: In novice final year veterinary students, we sought to: (1) compare the procedure time between a novel cricothyrotomy (CTT) technique and an abbreviated tracheostomy (TT) technique in canine cadavers, (2) assess the success rate of each procedure, (3) assess the complication rate of each procedure via a damage score, (4) evaluate the technical difficulty of each procedure and (5) determine the preferred procedure of study participants for emergency front-of-neck access.

Materials and Methods: A prospective, cross-over, block randomised trial was performed, where veterinary students completed CTT and TT procedures on cadaver dogs. Eight students were recruited and performed 32 procedures on 16 dogs. A generalised estimating equation approach to modelling the procedure times was used.]

Results: The procedure time was significantly faster for the CTT than the TT technique, on average (p < 0.001). The mean time taken to complete the CTT technique was 49.6 s (95% CI: 29.5-69.6) faster on average, with a mean CTT time of less than half that of the TT. When taking into account the attempt number, the procedure time for a CTT was 66.4 s (95% CI: 38.9-93.9) faster than TT for the first attempt, and for the second attempt, this was 32.7 s (95% CI: 15.2-50.2) faster, on average. The success rate for both procedures was 100% and there was no difference detected in the damage or difficulty scores (P = 0.13 and 0.08, respectively). Seven of eight participants preferred the CTT.

Clinical Significance: CTT warrants consideration as the primary option for emergency front-of-neck airway access for dogs.

Keywords

BACT; CICO; airway obstruction; cricothyrotomy; difficult airway; eFONA; intubation; tracheostomy (TT).

Palavras-chave

Obstrução de vias aéreas; cricotireotomia; via aérea difícil; eFONA; intubação; traqueostomia (TT).

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